129193222 has 8 divisors (see below), whose sum is σ = 193843656. Its totient is φ = 64578672.

The previous prime is 129193193. The next prime is 129193223. The reversal of 129193222 is 222391921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×129193222² = 33381777221482568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129193223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (24230457).

Almost surely, 2^129193222 is an apocalyptic number.

129193222 is a deficient number, since it is larger than the sum of its proper divisors (64650434).

129193222 is a wasteful number, since it uses less digits than its factorization.

129193222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17942.

The product of its digits is 3888, while the sum is 31.

The square root of 129193222 is about 11366.3196330211. The cubic root of 129193222 is about 505.5295846221.

The spelling of 129193222 in words is "one hundred twenty-nine million, one hundred ninety-three thousand, two hundred twenty-two".